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Geometry Vocabulary
Classifying Angles
Complementary & Supplementary Angles
Line, Ray, Point, Line Segment
Name The Angle
100
Looks just like a dot.
What is a point?
100
An angle measuring less than 90 degrees.
What is an acute angle?
100
Two angles added together that equal 90 degrees?
What are complimentary angles?
100
*A
What is point A?
100
<1
What is an acute angle?
200
An arrow on each end that goes on forever
What is a line?
200
An angle measuring more than 90 degrees but less than 180 degrees
What is an obtuse angle?
200
Two angles, (A & B), are supplementary: If angle A is 160 degrees, what is angle B?
What is 15 degrees?
200
------->
What is a ray?
200
<2
What is a right angle?
300
Has 1 endpoint and 1 arrow
What is a ray?
300
= 90 degrees
What is a right angle?
300
Two angles added together that equal 180 degrees
What are supplementary angles?
300
--------
What is a line segment?
300
<3
What is an obtuse angle?
400
Has no endpoints, it is a piece of a line
What is a line segment?
400
= 180 degrees
What is a straight angle?
400
Two angles, (A & B), are Complementary: If angle B is 50, what is angle A?
What is 40 degrees?
400
<----------->
What is a line?
400
How many degrees is <4?
What is 90 degrees